Using arrays&awk - sort the file

Question

Input file:

Ganesh
Gowri
Sam
Dave
Peter
Sheela

Output file:

Dave
Ganesh
Gowri
Peter
Sam
Sheela

Can someone please suggest the script for sorting the above file using arrays & awk...

Search man gawk | less +/^' *asort' & man gawk | less +/^' *asorti' — Gilles Quénot
– Gilles Quénot, Commented Feb 18, 2013 at 14:56
look at other questions here at stackoverflow - it is always better to write explicitly what kind of script you would like to deploy as well as describe by words what you'd like to achieve (alphabet sorting) — xhudik
– xhudik, Commented Feb 18, 2013 at 15:15

Kent · Accepted Answer · 2013-02-18 14:57:45Z

2

array & awk: asort()

kent$  echo "Ganesh
Gowri
Sam
Dave
Peter
Sheela"|awk '{a[NR]=$0}END{asort(a);for(i=1;i<=NR;i++)print a[i]}'
Dave
Ganesh
Gowri
Peter
Sam
Sheela

array & awk: asorti()

kent$  echo "Ganesh
Gowri
Sam
Dave
Peter
Sheela"|awk '{a[$0]}END{asorti(a);for(i=1;i<=NR;i++)print a[i]}' 
Dave
Ganesh
Gowri
Peter
Sam
Sheela

answered Feb 18, 2013 at 14:57

Kent

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1 Comment

How we can sort the lower and upper case alphabets using Awk command in Unix?